propargyl 2,3,5-tri-O-benzyl-β-D-ribofuranoside 、
propargyl 2,3,4-tri-O-benzoyl-α-D-glucopyranoside 在
gold(III) bromide 、
silver trifluoromethanesulfonate 作用下,
以
乙腈 为溶剂,
以73%的产率得到(2R,3R,4S,5R,6S)-2-((((2R,3R,4R,5R)-3,4-bis(benzyloxy)-5-((benzyloxy)methyl)tetrahydrofuran-2-yl)oxy)methyl)-6-(prop-2-yn-1-yloxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate